a lot of movies hitting the big screen including a justin bieber documentary and a sylvester stallone and robert deniro flick. let's take a look at what's showing in the theaters. >> sometimes i waddle because my pants are low. >> justin bieber's belief hits theaters christmas day. this follows the young star during his rise to superstardom. it shows completely unscripted back stage and on stage moments and gives viewers an inside look into all things bieber. this is rate the pg. >>> "47 rhonen" after being enslashed, he -- enslaved, he see, help. this movie is rated pg 13. >>> check out grudge match. a pair of retired boxers. they decide to settle the rivalry with a championship fight 30 years later. grudge match is rated pg 13. >>> for a comedy check out walter mitty. ben stiller plays a day dreamer afraid to talk to the girl he likes played by kristin wig. so he retreats into a world of fantasy. eventually his job forces him on a journey into the real world. the secret life of walter mitty is rated pg >>> leonardo decap rio. a stockbroker. ♪ >> the real question, was all of this